We report a method which is capable of demonstrating the isoelectric focusing (IEF) pattern of immunoglobulin D in unconcentrated cerebrospinal fluid (CSF) samples containing as little as 0.1-0.5 ng of total IgD. The method used was an immuno-sandwich technique, with alkaline phosphatase enzyme amplification. Oligoclonal and polyclonal IgD patterns were seen in CSF samples. No cross-reactivity with other immunoglobulins (IgG, IgA and IgM) was detected.
机构:
SCRIPPS CLIN & RES FDN, LC JACOBSON BLOOD CTR, DEPT IMMUNOPATHOL, LA JOLLA, CA 92037 USASCRIPPS CLIN & RES FDN, LC JACOBSON BLOOD CTR, DEPT IMMUNOPATHOL, LA JOLLA, CA 92037 USA
机构:
SCRIPPS CLIN & RES FDN, LC JACOBSON BLOOD CTR, DEPT IMMUNOPATHOL, LA JOLLA, CA 92037 USASCRIPPS CLIN & RES FDN, LC JACOBSON BLOOD CTR, DEPT IMMUNOPATHOL, LA JOLLA, CA 92037 USA